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<a class="jxr_linenumber" name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> com.katesoft.scale4j.agent;
<a class="jxr_linenumber" name="2" href="#2">2</a>   
<a class="jxr_linenumber" name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.agent.args.AgentOptions;
<a class="jxr_linenumber" name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.agent.exceptions.ExecutionTimeoutException;
<a class="jxr_linenumber" name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.agent.exceptions.FailedToStarAllServicesException;
<a class="jxr_linenumber" name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.agent.service.ServiceDetails;
<a class="jxr_linenumber" name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.agent.service.ServiceStatus;
<a class="jxr_linenumber" name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.common.concurrent.FixedTimeOperation;
<a class="jxr_linenumber" name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.common.io.FileUtility;
<a class="jxr_linenumber" name="10" href="#10">10</a>  <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.common.lang.RuntimeUtility;
<a class="jxr_linenumber" name="11" href="#11">11</a>  <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.common.utils.StringUtility;
<a class="jxr_linenumber" name="12" href="#12">12</a>  <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.log.LogFactory;
<a class="jxr_linenumber" name="13" href="#13">13</a>  <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.log.Logger;
<a class="jxr_linenumber" name="14" href="#14">14</a>  <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.rttp.jmx.RttpSupportStopOperationInvoker;
<a class="jxr_linenumber" name="15" href="#15">15</a>  <strong class="jxr_keyword">import</strong> com.katesoft.xml.jvmcluster.ApplicationConfigurationDocument.ApplicationConfiguration;
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">import</strong> com.katesoft.xml.jvmcluster.LogConfigurationDocument.LogConfiguration;
<a class="jxr_linenumber" name="17" href="#17">17</a>  <strong class="jxr_keyword">import</strong> com.katesoft.xml.jvmcluster.ServiceDocument.Service;
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> net.jcip.annotations.NotThreadSafe;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.springframework.context.Lifecycle;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.springframework.core.io.Resource;
<a class="jxr_linenumber" name="21" href="#21">21</a>  
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.util.Collection;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.util.LinkedHashSet;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.Callable;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentHashMap;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentMap;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.CountDownLatch;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutorService;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.Executors;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.Semaphore;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeoutException;
<a class="jxr_linenumber" name="34" href="#34">34</a>  
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * starts user defined services.</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * handles life cycle of all services and exposes some useful functionality which can be ued for external exposing like JMX.</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * @author kate2007</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  @NotThreadSafe
<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../com/katesoft/scale4j/agent/ServiceLauncher.html">ServiceLauncher</a> <strong class="jxr_keyword">implements</strong> Lifecycle
<a class="jxr_linenumber" name="44" href="#44">44</a>  {
<a class="jxr_linenumber" name="45" href="#45">45</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> STOP_SERVICE_TIMEOUT = 15 * 1000;
<a class="jxr_linenumber" name="46" href="#46">46</a>      <strong class="jxr_keyword">private</strong> ExecutorService executor = Executors.newCachedThreadPool();
<a class="jxr_linenumber" name="47" href="#47">47</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../com/katesoft/scale4j/log/Logger.html">Logger</a> logger = LogFactory.getLogger(getClass());
<a class="jxr_linenumber" name="48" href="#48">48</a>      <strong class="jxr_keyword">private</strong> ConcurrentMap&lt;String, ServiceDetails&gt; services;
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">private</strong> ConcurrentMap&lt;String, Process&gt; processes;
<a class="jxr_linenumber" name="50" href="#50">50</a>      <strong class="jxr_keyword">private</strong> Service[] serviceArray;
<a class="jxr_linenumber" name="51" href="#51">51</a>      <strong class="jxr_keyword">private</strong> ApplicationConfiguration configuration;
<a class="jxr_linenumber" name="52" href="#52">52</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../com/katesoft/scale4j/agent/args/AgentOptions.html">AgentOptions</a> options;
<a class="jxr_linenumber" name="53" href="#53">53</a>      <strong class="jxr_keyword">private</strong> Semaphore semaphore;
<a class="jxr_linenumber" name="54" href="#54">54</a>  
<a class="jxr_linenumber" name="55" href="#55">55</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../com/katesoft/scale4j/agent/ServiceLauncher.html">ServiceLauncher</a>(ApplicationConfiguration configuration,
<a class="jxr_linenumber" name="56" href="#56">56</a>                             <a href="../../../../com/katesoft/scale4j/agent/args/AgentOptions.html">AgentOptions</a> options)
<a class="jxr_linenumber" name="57" href="#57">57</a>      {
<a class="jxr_linenumber" name="58" href="#58">58</a>          <strong class="jxr_keyword">this</strong>.configuration = configuration;
<a class="jxr_linenumber" name="59" href="#59">59</a>          <strong class="jxr_keyword">this</strong>.options = options;
<a class="jxr_linenumber" name="60" href="#60">60</a>          serviceArray = configuration.getServiceArray();
<a class="jxr_linenumber" name="61" href="#61">61</a>          semaphore = <strong class="jxr_keyword">new</strong> Semaphore(serviceArray.length);
<a class="jxr_linenumber" name="62" href="#62">62</a>          services = <strong class="jxr_keyword">new</strong> ConcurrentHashMap&lt;String, ServiceDetails&gt;(serviceArray.length);
<a class="jxr_linenumber" name="63" href="#63">63</a>          processes = <strong class="jxr_keyword">new</strong> ConcurrentHashMap&lt;String, Process&gt;(serviceArray.length);
<a class="jxr_linenumber" name="64" href="#64">64</a>          <strong class="jxr_keyword">for</strong> (Service s : serviceArray) {
<a class="jxr_linenumber" name="65" href="#65">65</a>              services.put(s.getName(), <strong class="jxr_keyword">new</strong> ServiceDetails(s.toString()));
<a class="jxr_linenumber" name="66" href="#66">66</a>          }
<a class="jxr_linenumber" name="67" href="#67">67</a>      }
<a class="jxr_linenumber" name="68" href="#68">68</a>  
<a class="jxr_linenumber" name="69" href="#69">69</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> will try to start all services, if unexpected exception occurred will shutdown all started services. */</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>      @Override
<a class="jxr_linenumber" name="71" href="#71">71</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> start()
<a class="jxr_linenumber" name="72" href="#72">72</a>      {
<a class="jxr_linenumber" name="73" href="#73">73</a>          Service[] serviceArray = configuration.getServiceArray();
<a class="jxr_linenumber" name="74" href="#74">74</a>          <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>          logger.debug(<span class="jxr_string">"starting %s services"</span>, serviceArray.length);
<a class="jxr_linenumber" name="76" href="#76">76</a>          <strong class="jxr_keyword">for</strong> (Service service : serviceArray) {
<a class="jxr_linenumber" name="77" href="#77">77</a>              startProcess(service);
<a class="jxr_linenumber" name="78" href="#78">78</a>          }
<a class="jxr_linenumber" name="79" href="#79">79</a>          <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="80" href="#80">80</a>              <strong class="jxr_keyword">if</strong> (options.getTimeout() &gt; 0) {
<a class="jxr_linenumber" name="81" href="#81">81</a>                  Thread.sleep((options.getTimeout() / 2) * 1000);
<a class="jxr_linenumber" name="82" href="#82">82</a>                  <strong class="jxr_keyword">boolean</strong> b = semaphore.tryAcquire(serviceArray.length, (options.getTimeout() / 2), TimeUnit.SECONDS);
<a class="jxr_linenumber" name="83" href="#83">83</a>                  <strong class="jxr_keyword">if</strong> (!b) {
<a class="jxr_linenumber" name="84" href="#84">84</a>                      stopAllServices(false);
<a class="jxr_linenumber" name="85" href="#85">85</a>                      <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../com/katesoft/scale4j/agent/exceptions/ExecutionTimeoutException.html">ExecutionTimeoutException</a>(
<a class="jxr_linenumber" name="86" href="#86">86</a>                          String.format(<span class="jxr_string">"services %s are not finished execution, timeout = [%s secs]"</span>, services.keySet().toString(), options.getTimeout()));
<a class="jxr_linenumber" name="87" href="#87">87</a>                  }
<a class="jxr_linenumber" name="88" href="#88">88</a>                  <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="89" href="#89">89</a>                      semaphore.release(serviceArray.length);
<a class="jxr_linenumber" name="90" href="#90">90</a>                  }
<a class="jxr_linenumber" name="91" href="#91">91</a>              }
<a class="jxr_linenumber" name="92" href="#92">92</a>              <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="93" href="#93">93</a>                  semaphore.acquire(serviceArray.length);
<a class="jxr_linenumber" name="94" href="#94">94</a>                  semaphore.release(serviceArray.length);
<a class="jxr_linenumber" name="95" href="#95">95</a>              }
<a class="jxr_linenumber" name="96" href="#96">96</a>          }
<a class="jxr_linenumber" name="97" href="#97">97</a>          <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
<a class="jxr_linenumber" name="98" href="#98">98</a>              logger.error(e);
<a class="jxr_linenumber" name="99" href="#99">99</a>              stopAllServices(false);
<a class="jxr_linenumber" name="100" href="#100">100</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../com/katesoft/scale4j/agent/exceptions/FailedToStarAllServicesException.html">FailedToStarAllServicesException</a>(e);
<a class="jxr_linenumber" name="101" href="#101">101</a>         }
<a class="jxr_linenumber" name="102" href="#102">102</a>     }
<a class="jxr_linenumber" name="103" href="#103">103</a> 
<a class="jxr_linenumber" name="104" href="#104">104</a>     @Override
<a class="jxr_linenumber" name="105" href="#105">105</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stop()
<a class="jxr_linenumber" name="106" href="#106">106</a>     {
<a class="jxr_linenumber" name="107" href="#107">107</a>         stopAllServices(false);
<a class="jxr_linenumber" name="108" href="#108">108</a>         executor.shutdown();
<a class="jxr_linenumber" name="109" href="#109">109</a>     }
<a class="jxr_linenumber" name="110" href="#110">110</a> 
<a class="jxr_linenumber" name="111" href="#111">111</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">     * modify service status(from starting to running for example).</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment">     * @param key    service name</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment">     * @param status new status of process</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="117" href="#117">117</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> changeServiceStatus(String key,
<a class="jxr_linenumber" name="118" href="#118">118</a>                                        <a href="../../../../com/katesoft/scale4j/agent/service/ServiceStatus.html">ServiceStatus</a> status)
<a class="jxr_linenumber" name="119" href="#119">119</a>     {
<a class="jxr_linenumber" name="120" href="#120">120</a>         logger.info(<span class="jxr_string">"changing status of service %s %s:=&gt;%s"</span>, key, services.get(key).getStatus().name(), status.name());
<a class="jxr_linenumber" name="121" href="#121">121</a>         services.get(key).setStatus(status);
<a class="jxr_linenumber" name="122" href="#122">122</a>     }
<a class="jxr_linenumber" name="123" href="#123">123</a> 
<a class="jxr_linenumber" name="124" href="#124">124</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment">     * will pass log4j configuration system parameter if necessary.</em>
<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment">     * @param logConfiguration xml fragment wrapper.</em>
<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment">     * @param processBuilder   JVM process builder.</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="130" href="#130">130</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> setLogConfiguration(LogConfiguration logConfiguration,
<a class="jxr_linenumber" name="131" href="#131">131</a>                                        <a href="../../../../com/katesoft/scale4j/agent/JavaProcessBuilder.html">JavaProcessBuilder</a> processBuilder)
<a class="jxr_linenumber" name="132" href="#132">132</a>     {
<a class="jxr_linenumber" name="133" href="#133">133</a>         <strong class="jxr_keyword">if</strong> (logConfiguration != <strong class="jxr_keyword">null</strong> &amp;&amp; !StringUtility.isEmpty(logConfiguration.getLocation())) {
<a class="jxr_linenumber" name="134" href="#134">134</a>             <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="135" href="#135">135</a>                 Resource resource = FileUtility.resolve(logConfiguration.getLocation());
<a class="jxr_linenumber" name="136" href="#136">136</a>                 processBuilder.systemProperty(<span class="jxr_string">"log4j.configuration"</span>, resource.getURL().toExternalForm());
<a class="jxr_linenumber" name="137" href="#137">137</a>             }
<a class="jxr_linenumber" name="138" href="#138">138</a>             <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="139" href="#139">139</a>                 logger.error(<span class="jxr_string">"failed to resolve log configuration for location %s"</span>, logConfiguration.getLocation());
<a class="jxr_linenumber" name="140" href="#140">140</a>             }
<a class="jxr_linenumber" name="141" href="#141">141</a>         }
<a class="jxr_linenumber" name="142" href="#142">142</a>     }
<a class="jxr_linenumber" name="143" href="#143">143</a> 
<a class="jxr_linenumber" name="144" href="#144">144</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment">     * start service process from XML configuration.</em>
<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="147" href="#147">147</a> <em class="jxr_javadoccomment">     * @param service xml configuration wrapper</em>
<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="149" href="#149">149</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> startProcess(Service service)
<a class="jxr_linenumber" name="150" href="#150">150</a>     {
<a class="jxr_linenumber" name="151" href="#151">151</a>         <strong class="jxr_keyword">if</strong> (services.get(service.getName()).getStatus().isRunning()) {
<a class="jxr_linenumber" name="152" href="#152">152</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(String.format(<span class="jxr_string">"service = %s is already running"</span>, service.getName()));
<a class="jxr_linenumber" name="153" href="#153">153</a>         }
<a class="jxr_linenumber" name="154" href="#154">154</a>         <a href="../../../../com/katesoft/scale4j/agent/JavaProcessBuilder.html">JavaProcessBuilder</a> p1 = <strong class="jxr_keyword">new</strong> <a href="../../../../com/katesoft/scale4j/agent/JavaProcessBuilder.html">JavaProcessBuilder</a>(configuration, service);
<a class="jxr_linenumber" name="155" href="#155">155</a>         setLogConfiguration(service.getLogConfiguration(), p1);
<a class="jxr_linenumber" name="156" href="#156">156</a>         startProcessThread(service.getName(), p1);
<a class="jxr_linenumber" name="157" href="#157">157</a>     }
<a class="jxr_linenumber" name="158" href="#158">158</a> 
<a class="jxr_linenumber" name="159" href="#159">159</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment">     * launch service in separate JVM.</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">     * @param serviceName unique service's name.</em>
<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment">     * @param p           java process builder to be used for JVM creation.</em>
<a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_javadoccomment">     * @return thread that was used for service launch.</em>
<a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="166" href="#166">166</a>     <strong class="jxr_keyword">protected</strong> Thread startProcessThread(<strong class="jxr_keyword">final</strong> String serviceName,
<a class="jxr_linenumber" name="167" href="#167">167</a>                                         <strong class="jxr_keyword">final</strong> <a href="../../../../com/katesoft/scale4j/agent/JavaProcessBuilder.html">JavaProcessBuilder</a> p)
<a class="jxr_linenumber" name="168" href="#168">168</a>     {
<a class="jxr_linenumber" name="169" href="#169">169</a>         p.classpath(System.getProperty(<span class="jxr_string">"java.class.path"</span>));
<a class="jxr_linenumber" name="170" href="#170">170</a>         p.systemProperty(RuntimeUtility.VAR_SERVICE_ID, serviceName);
<a class="jxr_linenumber" name="171" href="#171">171</a>         Runnable runnable = <strong class="jxr_keyword">new</strong> Runnable()
<a class="jxr_linenumber" name="172" href="#172">172</a>         {
<a class="jxr_linenumber" name="173" href="#173">173</a>             @Override
<a class="jxr_linenumber" name="174" href="#174">174</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run()
<a class="jxr_linenumber" name="175" href="#175">175</a>             {
<a class="jxr_linenumber" name="176" href="#176">176</a>                 logger.debug(<span class="jxr_string">"launching JVM for service[%s]"</span>, serviceName);
<a class="jxr_linenumber" name="177" href="#177">177</a>                 <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="178" href="#178">178</a>                     semaphore.acquire();
<a class="jxr_linenumber" name="179" href="#179">179</a>                     Process process = p.launch(System.out, System.err);
<a class="jxr_linenumber" name="180" href="#180">180</a>                     processes.put(serviceName, process);
<a class="jxr_linenumber" name="181" href="#181">181</a>                     changeServiceStatus(serviceName, ServiceStatus.RUNNING);
<a class="jxr_linenumber" name="182" href="#182">182</a>                     process.waitFor();
<a class="jxr_linenumber" name="183" href="#183">183</a>                     logger.info(<span class="jxr_string">"[process=%s, service=%s] finished execution with exit_code=%s"</span>, process, serviceName, process.exitValue());
<a class="jxr_linenumber" name="184" href="#184">184</a>                     <strong class="jxr_keyword">if</strong> (process.exitValue() != 0) {
<a class="jxr_linenumber" name="185" href="#185">185</a>                         <strong class="jxr_keyword">if</strong> (services.get(serviceName).getStatus() != ServiceStatus.TERMINATED) {
<a class="jxr_linenumber" name="186" href="#186">186</a>                             changeServiceStatus(serviceName, ServiceStatus.FAILED_TO_START);
<a class="jxr_linenumber" name="187" href="#187">187</a>                             logger.error(<span class="jxr_string">"[process=%s, service=%s] terminated with bad exit value %s, please check logs"</span>, process, serviceName,
<a class="jxr_linenumber" name="188" href="#188">188</a>                                          process.exitValue());
<a class="jxr_linenumber" name="189" href="#189">189</a>                         }
<a class="jxr_linenumber" name="190" href="#190">190</a>                     }
<a class="jxr_linenumber" name="191" href="#191">191</a>                     <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="192" href="#192">192</a>                         logger.info(<span class="jxr_string">"execution of %s was successful"</span>, serviceName);
<a class="jxr_linenumber" name="193" href="#193">193</a>                         changeServiceStatus(serviceName, ServiceStatus.TERMINATED);
<a class="jxr_linenumber" name="194" href="#194">194</a>                     }
<a class="jxr_linenumber" name="195" href="#195">195</a>                     RuntimeUtility.gc();
<a class="jxr_linenumber" name="196" href="#196">196</a>                 }
<a class="jxr_linenumber" name="197" href="#197">197</a>                 <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="198" href="#198">198</a>                     logger.error(e);
<a class="jxr_linenumber" name="199" href="#199">199</a>                 }
<a class="jxr_linenumber" name="200" href="#200">200</a>                 <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
<a class="jxr_linenumber" name="201" href="#201">201</a>                     logger.error(e);
<a class="jxr_linenumber" name="202" href="#202">202</a>                     Thread.interrupted();
<a class="jxr_linenumber" name="203" href="#203">203</a>                 }
<a class="jxr_linenumber" name="204" href="#204">204</a>                 <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="205" href="#205">205</a>                     semaphore.release();
<a class="jxr_linenumber" name="206" href="#206">206</a>                 }
<a class="jxr_linenumber" name="207" href="#207">207</a>             }
<a class="jxr_linenumber" name="208" href="#208">208</a>         };
<a class="jxr_linenumber" name="209" href="#209">209</a>         Thread serviceThread = <strong class="jxr_keyword">new</strong> Thread(runnable);
<a class="jxr_linenumber" name="210" href="#210">210</a>         serviceThread.setDaemon(false);
<a class="jxr_linenumber" name="211" href="#211">211</a>         serviceThread.setName(String.format(<span class="jxr_string">"jvmcluster_%s_launcher_thread"</span>, serviceName));
<a class="jxr_linenumber" name="212" href="#212">212</a>         serviceThread.start();
<a class="jxr_linenumber" name="213" href="#213">213</a>         <strong class="jxr_keyword">return</strong> serviceThread;
<a class="jxr_linenumber" name="214" href="#214">214</a>     }
<a class="jxr_linenumber" name="215" href="#215">215</a> 
<a class="jxr_linenumber" name="216" href="#216">216</a>     <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @return true if there are running services. */</em>
<a class="jxr_linenumber" name="217" href="#217">217</a>     @Override
<a class="jxr_linenumber" name="218" href="#218">218</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isRunning()
<a class="jxr_linenumber" name="219" href="#219">219</a>     {
<a class="jxr_linenumber" name="220" href="#220">220</a>         <strong class="jxr_keyword">return</strong> runningCount() &gt; 0;
<a class="jxr_linenumber" name="221" href="#221">221</a>     }
<a class="jxr_linenumber" name="222" href="#222">222</a> 
<a class="jxr_linenumber" name="223" href="#223">223</a>     <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @return number of running services */</em>
<a class="jxr_linenumber" name="224" href="#224">224</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> runningCount()
<a class="jxr_linenumber" name="225" href="#225">225</a>     {
<a class="jxr_linenumber" name="226" href="#226">226</a>         <strong class="jxr_keyword">return</strong> services.size() - semaphore.availablePermits();
<a class="jxr_linenumber" name="227" href="#227">227</a>     }
<a class="jxr_linenumber" name="228" href="#228">228</a> 
<a class="jxr_linenumber" name="229" href="#229">229</a>     <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @return collection with service details. */</em>
<a class="jxr_linenumber" name="230" href="#230">230</a>     <strong class="jxr_keyword">public</strong> ConcurrentMap&lt;String, ServiceDetails&gt; getServices()
<a class="jxr_linenumber" name="231" href="#231">231</a>     {
<a class="jxr_linenumber" name="232" href="#232">232</a>         <strong class="jxr_keyword">return</strong> services;
<a class="jxr_linenumber" name="233" href="#233">233</a>     }
<a class="jxr_linenumber" name="234" href="#234">234</a> 
<a class="jxr_linenumber" name="235" href="#235">235</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment">     * shutdown all running services(each service in separate thread)</em>
<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment">     * @param forceKill do we need to destroy process or need to send shutdown command and wait for shutdown finish?</em>
<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="240" href="#240">240</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stopAllServices(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> forceKill)
<a class="jxr_linenumber" name="241" href="#241">241</a>     {
<a class="jxr_linenumber" name="242" href="#242">242</a>         <strong class="jxr_keyword">long</strong> time = System.currentTimeMillis();
<a class="jxr_linenumber" name="243" href="#243">243</a>         <strong class="jxr_keyword">final</strong> CountDownLatch stopCountDownLatch = <strong class="jxr_keyword">new</strong> CountDownLatch(services.size());
<a class="jxr_linenumber" name="244" href="#244">244</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> String s : services.keySet()) {
<a class="jxr_linenumber" name="245" href="#245">245</a>             Thread stopThread = <strong class="jxr_keyword">new</strong> Thread(<strong class="jxr_keyword">new</strong> Runnable()
<a class="jxr_linenumber" name="246" href="#246">246</a>             {
<a class="jxr_linenumber" name="247" href="#247">247</a>                 @Override
<a class="jxr_linenumber" name="248" href="#248">248</a>                 <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run()
<a class="jxr_linenumber" name="249" href="#249">249</a>                 {
<a class="jxr_linenumber" name="250" href="#250">250</a>                     <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="251" href="#251">251</a>                         stopService(s, forceKill);
<a class="jxr_linenumber" name="252" href="#252">252</a>                     }
<a class="jxr_linenumber" name="253" href="#253">253</a>                     <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="254" href="#254">254</a>                         logger.error(e);
<a class="jxr_linenumber" name="255" href="#255">255</a>                     }
<a class="jxr_linenumber" name="256" href="#256">256</a>                     <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="257" href="#257">257</a>                         stopCountDownLatch.countDown();
<a class="jxr_linenumber" name="258" href="#258">258</a>                     }
<a class="jxr_linenumber" name="259" href="#259">259</a>                 }
<a class="jxr_linenumber" name="260" href="#260">260</a>             });
<a class="jxr_linenumber" name="261" href="#261">261</a>             stopThread.setName(String.format(<span class="jxr_string">"jvmcluster_%s_stop_thread"</span>, s));
<a class="jxr_linenumber" name="262" href="#262">262</a>             stopThread.start();
<a class="jxr_linenumber" name="263" href="#263">263</a>         }
<a class="jxr_linenumber" name="264" href="#264">264</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="265" href="#265">265</a>             stopCountDownLatch.await();
<a class="jxr_linenumber" name="266" href="#266">266</a>             logger.debug(<span class="jxr_string">"all services stopped in [%s] milisecs"</span>, (System.currentTimeMillis() - time));
<a class="jxr_linenumber" name="267" href="#267">267</a>         }
<a class="jxr_linenumber" name="268" href="#268">268</a>         <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
<a class="jxr_linenumber" name="269" href="#269">269</a>             logger.error(e);
<a class="jxr_linenumber" name="270" href="#270">270</a>         }
<a class="jxr_linenumber" name="271" href="#271">271</a>     }
<a class="jxr_linenumber" name="272" href="#272">272</a> 
<a class="jxr_linenumber" name="273" href="#273">273</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment">     * allows you to stop application service by name.</em>
<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment">     * This functionality can be used for JMX exposing.</em>
<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="278" href="#278">278</a> <em class="jxr_javadoccomment">     * @param name      service's unique name.</em>
<a class="jxr_linenumber" name="279" href="#279">279</a> <em class="jxr_javadoccomment">     * @param forceKill do we need to destroy process or need to send shutdown command and wait for shutdown finish?</em>
<a class="jxr_linenumber" name="280" href="#280">280</a> <em class="jxr_javadoccomment">     * @throws Exception if unable to connect to remote jmx server or if unable to invoke remote operation or if unable to destroy process</em>
<a class="jxr_linenumber" name="281" href="#281">281</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="282" href="#282">282</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stopService(<strong class="jxr_keyword">final</strong> String name,
<a class="jxr_linenumber" name="283" href="#283">283</a>                             <strong class="jxr_keyword">boolean</strong> forceKill) <strong class="jxr_keyword">throws</strong> Exception
<a class="jxr_linenumber" name="284" href="#284">284</a>     {
<a class="jxr_linenumber" name="285" href="#285">285</a>         logger.info(<span class="jxr_string">"stopping service = %s"</span>, name);
<a class="jxr_linenumber" name="286" href="#286">286</a>         <a href="../../../../com/katesoft/scale4j/agent/service/ServiceStatus.html">ServiceStatus</a> status = services.get(name).getStatus();
<a class="jxr_linenumber" name="287" href="#287">287</a>         <strong class="jxr_keyword">if</strong> (status.isActive()) {
<a class="jxr_linenumber" name="288" href="#288">288</a>             changeServiceStatus(name, ServiceStatus.TERMINATED);
<a class="jxr_linenumber" name="289" href="#289">289</a>             Process process = processes.get(name);
<a class="jxr_linenumber" name="290" href="#290">290</a>             <strong class="jxr_keyword">if</strong> (process != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="291" href="#291">291</a>                 <strong class="jxr_keyword">if</strong> (forceKill) { process.destroy(); }
<a class="jxr_linenumber" name="292" href="#292">292</a>                 <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="293" href="#293">293</a>                     <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="294" href="#294">294</a>                         <strong class="jxr_keyword">for</strong> (Service service : serviceArray) {
<a class="jxr_linenumber" name="295" href="#295">295</a>                             <strong class="jxr_keyword">if</strong> (service.getName().equals(name)) {
<a class="jxr_linenumber" name="296" href="#296">296</a>                                 <strong class="jxr_keyword">int</strong> jmxPort = service.getJmxPort().intValue();
<a class="jxr_linenumber" name="297" href="#297">297</a>                                 <strong class="jxr_keyword">final</strong> <a href="../../../../com/katesoft/scale4j/rttp/jmx/RttpSupportStopOperationInvoker.html">RttpSupportStopOperationInvoker</a> proxy =
<a class="jxr_linenumber" name="298" href="#298">298</a>                                     <strong class="jxr_keyword">new</strong> <a href="../../../../com/katesoft/scale4j/rttp/jmx/RttpSupportStopOperationInvoker.html">RttpSupportStopOperationInvoker</a>(String.format(<span class="jxr_string">"service:jmx:rmi:///jndi/rmi://localhost:%s/jmxrmi"</span>, jmxPort));
<a class="jxr_linenumber" name="299" href="#299">299</a>                                 logger.info(<span class="jxr_string">"calling remote jmx stopService method for service[%s]"</span>, name);
<a class="jxr_linenumber" name="300" href="#300">300</a>                                 <a href="../../../../com/katesoft/scale4j/common/concurrent/FixedTimeOperation.html">FixedTimeOperation</a> operation = <strong class="jxr_keyword">new</strong> <a href="../../../../com/katesoft/scale4j/common/concurrent/FixedTimeOperation.html">FixedTimeOperation</a>(executor, <strong class="jxr_keyword">new</strong> Callable&lt;Object&gt;()
<a class="jxr_linenumber" name="301" href="#301">301</a>                                 {
<a class="jxr_linenumber" name="302" href="#302">302</a>                                     @Override
<a class="jxr_linenumber" name="303" href="#303">303</a>                                     <strong class="jxr_keyword">public</strong> Object call() <strong class="jxr_keyword">throws</strong> Exception
<a class="jxr_linenumber" name="304" href="#304">304</a>                                     {
<a class="jxr_linenumber" name="305" href="#305">305</a>                                         <strong class="jxr_keyword">if</strong> (proxy.invoke()) {
<a class="jxr_linenumber" name="306" href="#306">306</a>                                             logger.info(<span class="jxr_string">"service[%s] stopped using jmx stopService method "</span>, name);
<a class="jxr_linenumber" name="307" href="#307">307</a>                                         }
<a class="jxr_linenumber" name="308" href="#308">308</a>                                         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="309" href="#309">309</a>                                     }
<a class="jxr_linenumber" name="310" href="#310">310</a>                                 }, STOP_SERVICE_TIMEOUT);
<a class="jxr_linenumber" name="311" href="#311">311</a>                                 operation.call();
<a class="jxr_linenumber" name="312" href="#312">312</a>                                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="313" href="#313">313</a>                             }
<a class="jxr_linenumber" name="314" href="#314">314</a>                         }
<a class="jxr_linenumber" name="315" href="#315">315</a>                     }
<a class="jxr_linenumber" name="316" href="#316">316</a>                     <strong class="jxr_keyword">catch</strong> (TimeoutException e) {
<a class="jxr_linenumber" name="317" href="#317">317</a>                         logger.warn(<span class="jxr_string">"unable to stop service %s, timeout = %s excised"</span>, name, STOP_SERVICE_TIMEOUT);
<a class="jxr_linenumber" name="318" href="#318">318</a>                     }
<a class="jxr_linenumber" name="319" href="#319">319</a>                     <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="320" href="#320">320</a>                         logger.info(<span class="jxr_string">"calling destroy on %s for service=%s"</span>, process, name);
<a class="jxr_linenumber" name="321" href="#321">321</a>                         process.destroy();
<a class="jxr_linenumber" name="322" href="#322">322</a>                     }
<a class="jxr_linenumber" name="323" href="#323">323</a>                 }
<a class="jxr_linenumber" name="324" href="#324">324</a>             }
<a class="jxr_linenumber" name="325" href="#325">325</a>         }
<a class="jxr_linenumber" name="326" href="#326">326</a>         <strong class="jxr_keyword">else</strong> { logger.info(<span class="jxr_string">"service=%s is not active"</span>, name); }
<a class="jxr_linenumber" name="327" href="#327">327</a>     }
<a class="jxr_linenumber" name="328" href="#328">328</a> 
<a class="jxr_linenumber" name="329" href="#329">329</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="330" href="#330">330</a> <em class="jxr_javadoccomment">     * allows you to start application service by name.</em>
<a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_javadoccomment">     * This functionality can be used for JMX exposing.</em>
<a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="334" href="#334">334</a> <em class="jxr_javadoccomment">     * @param name service's unique name.</em>
<a class="jxr_linenumber" name="335" href="#335">335</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="336" href="#336">336</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> startService(String name)
<a class="jxr_linenumber" name="337" href="#337">337</a>     {
<a class="jxr_linenumber" name="338" href="#338">338</a>         logger.info(<span class="jxr_string">"manual start called for service = %s"</span>, name);
<a class="jxr_linenumber" name="339" href="#339">339</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; configuration.getServiceArray().length; i++) {
<a class="jxr_linenumber" name="340" href="#340">340</a>             Service service = configuration.getServiceArray(i);
<a class="jxr_linenumber" name="341" href="#341">341</a>             <strong class="jxr_keyword">if</strong> (service.getName().equalsIgnoreCase(name)) {
<a class="jxr_linenumber" name="342" href="#342">342</a>                 startProcess(service);
<a class="jxr_linenumber" name="343" href="#343">343</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="344" href="#344">344</a>             }
<a class="jxr_linenumber" name="345" href="#345">345</a>         }
<a class="jxr_linenumber" name="346" href="#346">346</a>     }
<a class="jxr_linenumber" name="347" href="#347">347</a> 
<a class="jxr_linenumber" name="348" href="#348">348</a>     <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @return if one of application services failed to start. */</em>
<a class="jxr_linenumber" name="349" href="#349">349</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isStartupFailed()
<a class="jxr_linenumber" name="350" href="#350">350</a>     {
<a class="jxr_linenumber" name="351" href="#351">351</a>         <strong class="jxr_keyword">return</strong> !getFailedServices().isEmpty();
<a class="jxr_linenumber" name="352" href="#352">352</a>     }
<a class="jxr_linenumber" name="353" href="#353">353</a> 
<a class="jxr_linenumber" name="354" href="#354">354</a>     <strong class="jxr_keyword">public</strong> Collection&lt;ServiceDetails&gt; getFailedServices()
<a class="jxr_linenumber" name="355" href="#355">355</a>     {
<a class="jxr_linenumber" name="356" href="#356">356</a>         Collection&lt;ServiceDetails&gt; failedServices = <strong class="jxr_keyword">new</strong> LinkedHashSet&lt;ServiceDetails&gt;();
<a class="jxr_linenumber" name="357" href="#357">357</a>         <strong class="jxr_keyword">for</strong> (ServiceDetails next : services.values()) {
<a class="jxr_linenumber" name="358" href="#358">358</a>             <strong class="jxr_keyword">if</strong> (next.getStatus() != <strong class="jxr_keyword">null</strong> &amp;&amp; next.getStatus().isFailedToStart()) { failedServices.add(next); }
<a class="jxr_linenumber" name="359" href="#359">359</a>         }
<a class="jxr_linenumber" name="360" href="#360">360</a>         <strong class="jxr_keyword">return</strong> failedServices;
<a class="jxr_linenumber" name="361" href="#361">361</a>     }
<a class="jxr_linenumber" name="362" href="#362">362</a> 
<a class="jxr_linenumber" name="363" href="#363">363</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> join() <strong class="jxr_keyword">throws</strong> InterruptedException
<a class="jxr_linenumber" name="364" href="#364">364</a>     {
<a class="jxr_linenumber" name="365" href="#365">365</a>         semaphore.acquire(services.size());
<a class="jxr_linenumber" name="366" href="#366">366</a>         semaphore.release(services.size());
<a class="jxr_linenumber" name="367" href="#367">367</a>     }
<a class="jxr_linenumber" name="368" href="#368">368</a> }
</pre>
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